US2011152547A1PendingUtilityA1

Process for producing olefin oxide

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Assignee: SUMITOMO CHEMICAL COPriority: Dec 17, 2009Filed: Jun 29, 2010Published: Jun 23, 2011
Est. expiryDec 17, 2029(~3.4 yrs left)· nominal 20-yr term from priority
Inventors:Selim SenkanAnusorn Seubsai
B01J 21/063B01J 21/066C07D 301/10C07D 301/04B01J 37/0201B01J 23/89C07D 301/08B01J 2235/15B01J 35/30B01J 35/615C07D 303/04Y02P20/52
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Claims

Abstract

A process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a catalyst comprising (a) copper oxide, (b) ruthenium metal or ruthenium oxide and (c) alkaline metal component or alkaline earth metal component.

Claims

exact text as granted — not AI-modified
1 . A process for producing an olefin oxide which comprises reacting an olefin with oxygen in the presence of a catalyst comprising (a) copper oxide, (b) ruthenium metal or ruthenium oxide and (c) alkaline metal component or alkaline earth metal component. 
     
     
         2 . The process according to  claim 1 , wherein the catalyst comprises (d) halogen component. 
     
     
         3 . The process according to  claim 1 , wherein (a) copper oxide, (b) ruthenium metal or ruthenium oxide and (c) alkaline metal component or alkaline earth metal component are supported on a porous support. 
     
     
         4 . The process according to  claim 2 , wherein (a) copper oxide, (b) ruthenium metal or ruthenium oxide, (c) alkaline metal component or alkaline earth metal component and (d) halogen component are supported on a porous support. 
     
     
         5 . The process according to  claim 3  or  4 , wherein the porous support comprises Al 2 O 3 , SiO 2 , TiO 2  or ZrO 2 . 
     
     
         6 . The process according to  claim 3  or  4 , wherein the porous support comprises SiO 2 . 
     
     
         7 . The process according to  claim 1  or  2 , wherein the total amount of (a) copper oxide, (b) ruthenium metal or ruthenium oxide and (c) alkaline metal component or alkaline earth metal component is 0.01 to 80% by weight of the amount of the catalyst. 
     
     
         8 . The process according to  claim 1  or  2 , wherein the copper/ruthenium metal molar ratio in the catalyst is 1/99 to 99/1. 
     
     
         9 . The process according to  claim 1  or  2 , wherein the ruthenium/(c) component metal molar ratio in the catalyst is 1/99 to 99/1. 
     
     
         10 . The process according to  claim 1  or  2 , wherein (a) copper oxide is CuO. 
     
     
         11 . The process according to  claim 1  or  2 , wherein (h) ruthenium metal or ruthenium oxide is RuO 2 . 
     
     
         12 . The process according to  claim 1  or  2 , wherein the (c) alkaline metal component or alkaline earth metal component is an alkaline metal-containing compound. 
     
     
         13 . The process according to  claim 1  or  2 , wherein (c) alkaline metal component or alkaline earth metal component is a sodium-containing compound. 
     
     
         14 . The process according to  claim 3 , wherein the catalyst is obtained by impregnating a porous support with a solution containing a copper ion, a ruthenium ion and an alkaline metal or alkaline earth metal ion to prepare a composition, followed by calcining the composition. 
     
     
         15 . The process according to  claim 3  or  4 , wherein the catalyst is obtained by impregnating a porous support with a solution containing a copper ion, a ruthenium ion, an alkaline metal or alkaline earth metal ion and a halogen ion to prepare a composition, followed by calcining the composition. 
     
     
         16 . The process according to  claim 1  or  2 , wherein the olefin is propylene and the olefin oxide is propylene oxide. 
     
     
         17 . The process according to  claim 1  or  2 , which comprises reacting an olefin with oxygen at a temperature of 100 to 350° C. 
     
     
         18 . A catalyst for production of an olefin oxide which comprises (a) copper oxide, (b) ruthenium metal or ruthenium oxide and (c) alkaline metal component or alkaline earth metal component. 
     
     
         19 . The catalyst according to  claim 18 , which comprises (d) halogen component. 
     
     
         20 . The catalyst according to  claim 18 , wherein (a) copper oxide, (b) ruthenium metal or ruthenium oxide and (c) alkaline metal component or alkaline earth metal component are supported on a porous support. 
     
     
         21 . The catalyst according to  claim 19 , wherein (a) copper oxide, (b) ruthenium metal or ruthenium oxide, (c) alkaline metal component or alkaline earth metal component and (d) halogen component are supported on a porous support. 
     
     
         22 . The catalyst according to  claim 20  which is obtained by impregnating a porous support with a solution containing a copper ion, a ruthenium ion and an alkaline metal or alkaline earth metal ion to prepare a composition, followed by calcining the composition. 
     
     
         23 . The catalyst according to  claim 20  or  21  which is obtained by impregnating a porous support with a solution containing a copper ion, a ruthenium ion, an alkaline metal or alkaline earth metal ion and a halogen ion to prepare a composition, followed by calcining the composition. 
     
     
         24 . The catalyst according to  claim 18  or  19 , wherein (c) alkaline metal component or alkaline earth metal component is an alkaline metal-containing compound. 
     
     
         25 . The catalyst according to  claim 20  or  21 , wherein the porous support comprises Al 2 O 3 , SiO 2 , TiO 2  or ZrO 2 . 
     
     
         26 . The catalyst according to  claim 20  or  21 , wherein the porous support comprises SiO 2 . 
     
     
         27 . The catalyst according to  claim 18  or  19 , wherein the olefin oxide is propylene oxide. 
     
     
         28 . Use of a catalyst for producing an olefin oxide, said catalyst comprising (a) copper oxide, (b) ruthenium metal or ruthenium oxide and (c) alkaline metal component or alkaline earth metal component. 
     
     
         29 . The use of a catalyst according to  claim 28 , wherein the olefin oxide is propylene oxide.

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